1 files changed, 80 insertions, 0 deletions
diff --git a/spec/frontend/experimentation/experiment_tracking_spec.js b/spec/frontend/experimentation/experiment_tracking_spec.js
new file mode 100644
index 00000000000..20f45a7015a
--- /dev/null
+++ b/spec/frontend/experimentation/experiment_tracking_spec.js
@@ -0,0 +1,80 @@
+import { TRACKING_CONTEXT_SCHEMA } from '~/experimentation/constants';
+import ExperimentTracking from '~/experimentation/experiment_tracking';
+import { getExperimentData } from '~/experimentation/utils';
+import Tracking from '~/tracking';
+
+let experimentTracking;
+let label;
+let property;
+
+jest.mock('~/tracking');
+jest.mock('~/experimentation/utils', () => ({ getExperimentData: jest.fn() }));
+
+const setup = () => {
+  experimentTracking = new ExperimentTracking('sidebar_experiment', { label, property });
+};
+
+beforeEach(() => {
+  document.body.dataset.page = 'issues-page';
+});
+
+afterEach(() => {
+  label = undefined;
+  property = undefined;
+});
+
+describe('event', () => {
+  beforeEach(() => {
+    getExperimentData.mockReturnValue(undefined);
+  });
+
+  describe('when experiment data exists for experimentName', () => {
+    beforeEach(() => {
+      getExperimentData.mockReturnValue('experiment-data');
+      setup();
+    });
+
+    describe('when providing options', () => {
+      label = 'sidebar-drawer';
+      property = 'dark-mode';
+
+      it('passes them to the tracking call', () => {
+        experimentTracking.event('click_sidebar_close');
+
+        expect(Tracking.event).toHaveBeenCalledTimes(1);
+        expect(Tracking.event).toHaveBeenCalledWith('issues-page', 'click_sidebar_close', {
+          label: 'sidebar-drawer',
+          property: 'dark-mode',
+          context: {
+            schema: TRACKING_CONTEXT_SCHEMA,
+            data: 'experiment-data',
+          },
+        });
+      });
+    });
+
+    it('tracks with the correct context', () => {
+      experimentTracking.event('click_sidebar_trigger');
+
+      expect(Tracking.event).toHaveBeenCalledTimes(1);
+      expect(Tracking.event).toHaveBeenCalledWith('issues-page', 'click_sidebar_trigger', {
+        context: {
+          schema: TRACKING_CONTEXT_SCHEMA,
+          data: 'experiment-data',
+        },
+      });
+    });
+  });
+
+  describe('when experiment data does NOT exists for the experimentName', () => {
+    beforeEach(() => {
+      setup();
+    });
+
+    it('does not track', () => {
+      experimentTracking.event('click_sidebar_close');
+
+      expect(Tracking.event).not.toHaveBeenCalled();
+    });
+  });
+});